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20-letter words containing t, o, m, a, e

  • phenyldiethanolamine — a white, crystalline, slightly water-soluble substance, C 1 0 H 1 5 NO 2 , used in the manufacture of dyes and in organic synthesis.
  • physical examination — an examination, usually by a physician, of a person's body in order to determine his or her state of health or physical fitness, as for military service or participation in a sport.
  • physical meteorology — the branch of meteorology dealing with the study of optical, electrical, acoustical, and thermodynamic phenomena in the atmosphere, including the physics of clouds and precipitation.
  • piezomagnetic effect — the production of a magnetic field by applying a mechanical stress to certain crystals
  • poor man's something — a (cheaper) substitute for something
  • population parameter — a quantity or statistical measure that, for a given population, is fixed and that is used as the value of a variable in some general distribution or frequency function to make it descriptive of that population: The mean and variance of a population are population parameters.
  • potassium antimonate — a white, crystalline, slightly water-soluble powder, KSbO 3 , used chiefly as a pigment in paints.
  • potassium bichromate — an orange-red, crystalline, water-soluble, poisonous powder, K 2 Cr 2 O 7 , used chiefly in dyeing, photography, and as a laboratory reagent.
  • potassium binoxalate — a white, crystalline, hygroscopic, poisonous solid, KHC 2 O 4 , that is usually hydrated: used chiefly for removing ink stains, cleaning metal and wood, and in photography.
  • potassium bitartrate — cream of tartar.
  • potassium dichromate — an orange-red crystalline soluble solid substance that is a good oxidizing agent and is used in making chrome pigments and as a bleaching agent. Formula: K2Cr2O7
  • potassium-bitartrate — a white, crystalline, water-soluble powder, C 4 H 5 KO 6 , used chiefly as an ingredient in baking powders and in galvanic tinning of metals. Also called potassium bitartrate, potassium acid tartrate. Compare tartar (def 3).
  • power of appointment — the authority granted by a donor to a donee to select the person or persons who are to enjoy property rights or income upon the death of the donor or of the donee or after the termination of existing rights or interests.
  • predicate nominative — (in Latin, Greek, and certain other languages) a predicate noun or adjective in the nominative case.
  • premenstrual tension — Premenstrual tension is the same as premenstrual syndrome. The abbreviation PMT is often used.
  • presentation manager — The elephantine graphical user interface to the OS/2 operating system.
  • price discrimination — the practice of offering identical goods to different buyers at different prices, when the goods cost the same.
  • primary optical area — a point in or toward the upper left-hand corner of a printed page, advertisement, or the like, looked at first in reading. Abbreviation: POA.
  • primary spermatocyte — a male germ cell (primary spermatocyte) that gives rise by meiosis to a pair of haploid cells (secondary spermatocytes) that give rise in turn to spermatids.
  • primitive polynomial — a polynomial that has content equal to 1. Compare content1 (def 11a).
  • procedural agreement — regulations agreed between the parties to collective bargaining, defining the bargaining units, bargaining scope, procedures for collective bargaining, and the facilities to be provided to trade union representatives
  • production agreement — a contract concerning the production or manufacture of something
  • proprietary medicine — a drug or agent manufactured and distributed under a trade name
  • pseudoparenchymatous — (in certain fungi and red algae) a compact mass of tissue, made up of interwoven hyphae or filaments, that superficially resembles plant tissue.
  • psychological moment — the proper or critical time for achieving a desired result: She found the right psychological moment to make her request.
  • punch a (time) clock — to insert a timecard into a time clock when coming to or going from work
  • pythagoras's theorem — (mathematics)   The theorem of geometry, named after Pythagoras, of Samos, Ionia, stating that, for a right-angled triangle, the square of the length of the hypotenuse is equal to the sum of the squares of the lengths of the other two sides. I.e. if the longest side has length A and the other sides have lengths B and C (in any units), A^2 = B^2 + C^2 (2004-02-12)
  • quaker meeting house — a place where Quakers gather for worship
  • quantum field theory — any theory in which fields are treated by the methods of quantum mechanics; each field can then be regarded as consisting of particles of a particular kind, which may be created and annihilated.
  • radio interferometer — any of several different types of instrumentation designed to observe interference patterns of electromagnetic radiation at radio wavelengths: used in the discovery and measurement of radio sources in the atmosphere.
  • real-time processing — data-processing by a computer which receives constantly changing data, such as information relating to air-traffic control, travel booking systems, etc, and processes it sufficiently rapidly to be able to control the source of the data
  • recommended standard — (standard)   (RS) A series of EIA standards including EIA-232.
  • reductio ad absurdum — a reduction to an absurdity; the refutation of a proposition by demonstrating the inevitably absurd conclusion to which it would logically lead.
  • regional development — aid-giving to poorer areas or countries
  • relative atomic mass — the ratio of the average mass per atom of the naturally occurring form of an element to one-twelfth the mass of an atom of carbon-12
  • reservations manager — A reservations manager at a hotel is responsible for the reservations at the hotel.
  • restriction fragment — a length of DNA cut from the strand by a restriction enzyme.
  • retinitis pigmentosa — degeneration of the retina manifested by night blindness and gradual loss of peripheral vision, eventually resulting in tunnel vision or total blindness.
  • return from the dead — (jargon)   To regain access to the net after a long absence. Compare person of no account.
  • rheumatoid arthritis — a chronic autoimmune disease characterized by inflammation of the joints, frequently accompanied by marked deformities, and ordinarily associated with manifestations of a general, or systemic, affliction.
  • rocky mountain sheep — bighorn.
  • romantic involvement — the condition of being in a romantic or sexual relationship
  • root canal treatment — dental treatment
  • rotations per minute — revolutions per minute
  • royal leamington spa — a city in Warwickshire, central England: health resort.
  • run off at the mouth — Anatomy, Zoology. the opening through which an animal or human takes in food. the cavity containing the structures used in mastication. the structures enclosing or being within this cavity, considered as a whole.
  • saint john ambulance — an organization that provides first aid and first-aid training
  • satellite chromosome — a type of densely staining chromosome of uncertain biological function, found in many plant and animal species.
  • scientific socialism — Marxist socialism
  • second law of motion — any of three laws of classical mechanics, either the law that a body remains at rest or in motion with a constant velocity unless an external force acts on the body (first law of motion) the law that the sum of the forces acting on a body is equal to the product of the mass of the body and the acceleration produced by the forces, with motion in the direction of the resultant of the forces (second law of motion) or the law that for every force acting on a body, the body exerts a force having equal magnitude and the opposite direction along the same line of action as the original force (third law of motion or law of action and reaction)
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